/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package proguard.evaluation.value;

/**
 * This LongValue represents the result of a binary operation on two long values.
 *
 * @author Eric Lafortune
 */
final class CompositeLongValue extends SpecificLongValue {
    public static final byte ADD = '+';
    public static final byte SUBTRACT = '-';
    public static final byte MULTIPLY = '*';
    public static final byte DIVIDE = '/';
    public static final byte REMAINDER = '%';
    public static final byte SHIFT_LEFT = '<';
    public static final byte SHIFT_RIGHT = '>';
    public static final byte UNSIGNED_SHIFT_RIGHT = '}';
    public static final byte AND = '&';
    public static final byte OR = '|';
    public static final byte XOR = '^';

    private final LongValue longValue1;
    private final byte operation;
    private final Value longValue2;

    /**
     * Creates a new composite long value of the two given long values and the given operation.
     */
    public CompositeLongValue(LongValue longValue1, byte operation, Value longValue2) {
        this.longValue1 = longValue1;
        this.operation = operation;
        this.longValue2 = longValue2;
    }

    // Implementations for Object.

    public boolean equals(Object object) {
        return this == object || super.equals(object) && this.longValue1.equals(((CompositeLongValue)object).longValue1)
            && this.operation == ((CompositeLongValue)object).operation
            && this.longValue2.equals(((CompositeLongValue)object).longValue2);
    }

    public int hashCode() {
        return super.hashCode() ^ longValue1.hashCode() ^ longValue2.hashCode();
    }

    public String toString() {
        return "(" + longValue1 + ((char)operation) + longValue2 + ")";
    }
}